[HSF] Ao Wraping
Hgrmd at aol.com
Hgrmd at aol.com
Sat Mar 31 16:35:46 EDT 2007
Ed,
Why do you think the number of Ross's done per year has been decreasing
over the last few years? How many of your 100 cases have required reoperation
or any type of intervention (this includes RVOT obstruction)? I've heard the
pros and cons for years, but can't get past the fact that you've now created
double valve out of single valve disease. Part of my bias is influenced by
being asked to review the fatal outcome of a Ross done in a 24 yo single
mother of 3. She died of an anteroseptal MI, presumably due to the scariest Ross
complication of harvesting the autograft. I'm sure, with experience, this
awful complication is totally avoidable. However, it illustrates the great
potential pitfalls with this procedure.
In contrast, a Magna valve has excellent hemodynamics and an expected
longevity of 15 years. In addition, it is a usually easy to install. A redo is
difficult, but certainly not impossible. How long do you think the average
Ross will last without need for any intervention? Patients that are usually
candidates for a Ross are patients with an expected mortality about 1% more
than an ASD, i.e., 1%. To me, it's tough to rationalize exposing them to that
much additional potential risk. I'm impressed with what you are doing and
would certainly refer a hell-bent Ross candidate your way. However, with what
I've seen and read thus far, I honestly don't think I'd have one done to me or
my family.
Hal
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